Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CD303924 FIG 13 found under Case Gear by Duffnorton Co Inc. The National Stock Number assigned to this part is 5342012776087, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CD303924 FIG 13.